Skārds, I., J. Skārds, V. Strazdiņa, and M. Krūze. “THE MORTALITY BY DISEASES IN LATYIA IEDZĪVOTĀJU MIRSTĪBA NO SLIMĪBĀM LATVIJĀ”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 1999): 180–193. Accessed November 23, 2024. https://journals.ru.lv/index.php/ETR/article/view/1877.